Os Rz-b

[neo]

Nitro Engine Boost .
anyone try this b4 ?

http://www.hotbodiesonline.net/nitro_engine_boost.html

wanna heard some comments.

i have a os 21RZ-B engine. piston and sleeve spoilt . no compression. wanna buy new piston $180. too x ,somemore must buy oversea. new engine $336. so wanna try repair it.

anyone know how to repair it?Wanna try Engine boost but not sure whether can repair the air leak areas in the piston a not.

Can anyone advise me ? thanks

[fuse]

if you losse compression then the booast would not help.
i suggest you to buy a nova base engine like the rex P5 or the nova 421b.
better engine and last longer.. price from 350 to 450 each.